Home / 342,890.42-473,143.95-197,701.64

Finding the Fourth Proportional to 342,890.42, 473,143.95 and 197,701.64

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Solution

The fourth proportional to 342,890.42, 473,143.95 and 197,701.64 is: 272,802.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,890.42 : 473,143.95 = 197,701.64 : x
  2. Step 2: Convert to fraction form
    342,890.42/473,143.95 = 197,701.64/x
  3. Step 3: Cross multiply
    342,890.42x = 473,143.95 × 197,701.64
  4. Step 4: Simplify right side
    342,890.42x = 93,541,334,863.02
  5. Step 5: Solve for x
    x = 93,541,334,863.02/342,890.42
  6. Step 6: Final answer
    x = 272,802.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.